Man-made earthquakes: Fact or fiction?

Earthquakes in Oklahoma used to be something of a rarity, but a few years ago, that began to change. Starting in 2009, the number of quakes began to increase. By 2014, the state was experiencing three times as many quakes as California.

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What’s going on? This short video explains why this is happening across the U.S. and who scientists think the culprits are.

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Credits

Director and Producer
Ariane Wu

Based on reporting by Michael Corey and Joe Wertz

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